Table 1. Status and Effective Date of Medicaid Expansion by State^a.

State	Status	Effective Date
Alabama	Not adopted	NA
Alaskab	Adopted	September 1, 2015
Arizona	Adopted	January 1, 2014
Arkansas	Adopted	January 1, 2014
California	Adopted	January 1, 2014
Colorado	Adopted	January 1, 2014
Connecticut	Adopted	January 1, 2014
Delaware	Adopted	January 1, 2014
District of Columbia	Adopted	January 1, 2014
Florida	Not adopted	NA
Georgia	Not adopted	NA
Hawaii	Adopted	January 1, 2014
Idaho	Not adopted	NA
Illinois	Adopted	January 1, 2014
Indiana	Adopted	February 1, 2015
Iowa	Adopted	January 1, 2014
Kansas	Not adopted	NA
Kentucky	Adopted	January 1, 2014
Louisiana	Adopted	July 1, 2016
Maine	Adopted	January 1, 2014
Maryland	Adopted	January 1, 2014
Massachusetts	Adopted	January 1, 2014
Michigan	Adopted	April 1, 2014
Minnesota	Adopted	January 1, 2014
Mississippi	Not adopted	NA
Missouri	Not adopted	NA
Montana	Adopted	January 1, 2016
Nebraska	Not adopted	NA
Nevada	Adopted	January 1, 2014
New Hampshire	Adopted	August 15, 2014
New Jersey	Adopted	January 1, 2014
New Mexico	Adopted	January 1, 2014
New York	Adopted	January 1, 2014
North Carolina	Not adopted	NA
North Dakota	Adopted	January 1, 2014
Ohio	Adopted	January 1, 2014
Oklahoma	Not adopted	NA
Oregon	Adopted	January 1, 2014
Pennsylvania	Adopted	January 1, 2015
Rhode Island	Adopted	January 1, 2014
South Carolina	Not adopted	NA
South Dakota	Not adopted	NA
Tennessee	Not adopted	NA
Texas	Not adopted	NA
Utah	Not adopted	NA
Vermont	Adopted	January 1, 2014
Virginia	Not adopted	NA
Washington	Adopted	January 1, 2014
West Virginia	Adopted	January 1, 2014
Wisconsin	Not adopted	NA
Wyoming	Not adopted	NA

Abbreviation: NA, not applicable.

^aStates' decisions about adopting the Medicaid expansion are as of December 31, 2017.

^bAlaska is excluded from analyses because of substantial changes in the size and shape of counties during the study period.